Bladder insert



FIG. 1 is a perspective view of a bladder insert showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view;

FIG. 6 is a cross-sectional view taken along the line 6--6 of FIG. 2; and,

FIG. 7 is a cross-sectional view taken along the line 7--7 of FIG. 2.

The broken line showing of a shoe in FIGS. 3-5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a bladder insert, as shown and described. 